Seems like since we just had a bunch of "Who killed Asmo" debates that we should start another OP Strength debate

I came across these quotes regarding the Bowl of the Winds and thought it was an interesting comparison to Elayne and Nynaeve, and later in the book we see Egwene pull off a pretty impressive feat with the Windfinders in Cairhien, which Nynaeve tells us she can't outdo by much in WH ...

LoC
Under the Dust

"It is," Elayne exclaimed. "It’s a ter’angreal. And I will bet anything it has something to do with weather. But I’m not quite strong enough to work it by myself."


LoC
A Pile of Sand

In any case, if she could not work the bowl alone, certainly no one in Salidar could. Except Nynaeve, maybe.

I find this interesting because, Elayne is close to strong enough to power the Bowl on her own, but is unsure that Nynaeve alone would be able to manage it either. IMO this tells us that Nynaeve and Elayne aren't that far apart in raw strength.

Here is another set of clues regarding Egwene and Nynaeve

LoC
Summoned in Haste

Drawing a deep breath, she embraced saidar and channeled four flows before the Windfinder could react. So she knew weather, did she? Could she divide her flows four ways? Not many Aes Sedai could. One flow was Spirit, a shield she shoved onto the Windfinder to keep her from interfering. If she knew how. Each of the other three was Air, woven almost delicately around each woman, binding her arms to her sides. Lifting them was not precisely difficult, but not easy either.

A clamor rose on the ship as the women floated into the air and out over the river. Egwene heard the boatman moaning. She was not interested in him. The three Sea Folk women did not even kick. With an effort she hoisted them higher, some ten or twelve paces above the surface; no matter how hard she strained, that seemed to be the limit. Well, you don’t want to actually hurt them, she thought, and released the weaves. They’ll scream now.

Note that an average body weight for an average woman is around 120lbs, Egwene is able to lift 3 women (while splitting her flows 4 ways) 10-12 Spans in the air (so about 360ish lbs, 3-4 stories high). We also know that this was not easy, but clearly not her limit as it wasn't difficult either. Given that Siuan at full strength could lift about 250lbs and Egwene is just a little less than 2x stronger than Siuan was, Egwene may be able to lift around 430-450lbs.

WH
Blue Carp Street

"I saw them," Rand said. "They're inside now. Nynaeve, can you lift Lan and me to that rooftop from the alley behind the building?"

Nynaeve frowned at Zeram's building, rubbing the belt around her waist with one hand. "One at a time, I could," she said finally. "But it would use more than half what the Well holds. I wouldn't be able to lift you down again."

2 men of 6'6" each with all that equipment would weigh in around 250lbs (that's assuming they are both muscular and have some equipment since an average BMI for a man this size would make him more like 200lbs). Nynaeve's Well holds enough Saidar to lift them both the 3 stories to the top of the building, but she cannot do it at the same time. So without splitting her flows Nynaeve cannot lift 500-odd pounds 3 stories.

and yes it's 3 stories she needs to lift them

WH
Blue Carp Street

Since the last of the children married, Milsa's been renting out the top floor. Whenever she finds somebody don't mind being locked in at night, anyway," he laughed. "Milsa had stairs put in right up to the third floor,

Let's assume this is very close for Nynaeve since she has to give it some thought before she says she can't do it... so perhaps Nynaeve's maximum is between 480-500lbs.

For the record, swords are pretty light ... according to The Association for Renaissance Martial Arts: "Medieval Swords are neither unwieldably heavy nor all alike - the average weight of any one of normal size is between 2.5 lb. and 3.5 lbs. Even the big hand-and-a-half 'war' swords rarely weigh more than 4.5 lbs.